Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her out, as well as his arch-rival and neighbor, Mandark.
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see all options Availability data: JustWatch
- Seasons
- 4
- Episodes aired
- 220
- Latest aired
- S04E36
- Total runtime
- 1d 3h
Timeline when each season aired
- Season 1 April 1996 – January 1997 38 episodes
- Season 2 July 1997 – June 1998 108 episodes
- the show was away for 3 years and 5 months
- Season 3 November 2001 – September 2002 36 episodes
- Season 4 November 2002 – November 2003 38 episodes
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S02E01 Beard to be Feared
July 16 · 7min find the promo
Show synopsis
After a fright from Dee Dee, Dexter lays down in the beard growing machine and tries to grow a beard like his hero, Action Hank. Unfortunately, everyone thinks he's a hero.
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S02E02 Quackor the Fowl
July 16 · 7min find the promo
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Mandark doesn't know that his pet duck is really Quackor the Fowl, Monkey's rival. Quackor overhears Mandark talking in his sleep about destroying Dexter's lab and tries to do it, unaware that Monkey is Dexter's pet.
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S02E03 Ant Pants
July 16 · 7min find the promo
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Dexter prevents Dee Dee from destroying some ants. In order to teach her about ants, Dexter and Dee enter Dexter's ant farm. The ants think Dexter is a criminal and has him fight to the death with a stronger ant.
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S02E04 Mom and Jerry
July 23 · 7min find the promo
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Dexter switches his brain with a mouse, and must avoid his mother when she decides to exterminate him. A Parody of Tom and Jerry.
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S02E05 Chubby Cheese
July 23 · 7min find the promo
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At the Chubby Cheese pizza restaurant, Dexter wears a Chubby Cheese hat and tries to slow down the Whack The Weasel machine to win a stuffed Monkey doll before Dee Dee does.
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S02E06 That Crazy Robot
July 23 · 7min find the promo
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One of Dexter's robots becomes Dee Dee's servant when she removes a wrench that froze him up, but the robot is willing to destroy anyone who is mean to her or scolds her, including Dexter.
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S02E07 D & DD
July 30 · 11min find the promo
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When Dexter's friends tire of the complicated traps he sets up as Dungeon Master (he has their character's killed every time), they put Dee Dee in charge for a change of pace.
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S02E08 Hamhocks and Armlocks
July 30 · 11min find the promo
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Dexter's father gets challenged to an arm wrestling match against a local champion at a truck stop, when he causes the champion to lose for the first time, but refuses to do so even when he trashes the family car. He finally accepts the challenge when he slams the door in Mom's face. Dee Dee knows he'll get creamed, so Dexter builds him a robotic arm to help him win the match.
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S02E09 Hunger Strikes
August 6 · 7min find the promo
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Dexter uses radiation therapy so he can like vegetables, it actually causes him to only eat vegetables, also, the therapy has consequences if Dexter goes too long without them. He turns into a Parody of The Incredible Hulk without vegetables.
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S02E10 The Koos is Loose
August 6 · 7min find the promo
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Dee Dee's imaginary friend comes to life and annoys Dexter. Dexter ends up wishing him away, then he realizes he made a terrible mistake.
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S02E11 Morning Stretch
August 6 · 7min find the promo
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Dexter oversleeps and still has to finish his homework along with getting ready for school and eating breakfast, so he creates a helmet that expands thirty seconds into thirty minutes, but realizes that slowing down time is more detrimental than helpful. When he gets everything done, the helmet shuts off. But Dee Dee blocks his door causing him to miss the bus. When Dexter asks Dee Dee why, she replies "Snow Day, school's canceled!". Dexter realizes he did all that rushing around for nothing!
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S02E12 Dee Dee Locks and the Ness Monster
August 13 · 7min find the promo
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Dee Dee Locks and the Ness Monster—Dexter's mother forces Dexter to read to Dee Dee when she's sick, but she makes up her own story after being bored by Dexter's story (which was actually a science article). The story is completely mixed up and makes no sense. Dexter ends up catching Dee Dee's illness.
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S02E13 Backfire
August 13 · 7min find the promo
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Dexter fuses Dee Dee with the family car by accident, causing mayhem. A Parody of Herbie the Love Bug.
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S02E14 Book 'Em
August 13 · 7min find the promo
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Dexter accidentally takes a library book without checking it out, so he and Dee Dee try to put it back without being caught.
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S02E15 Sister's Got a Brand New Bag
August 20 · 7min find the promo
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Dee Dee's new dance annoys Dexter to no end.
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S02E16 Shoo, Shoe Gnomes
August 20 · 7min find the promo
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Dexter calls upon the "shoe gnomes" to repair his boots, but can't rid himself of them afterwards. The only way to get rid of them, according to Dee Dee, is to kick them in the butt. Dexter gets rid of the last one with his boot, but it's damaged again.
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S02E17 Lab of The Lost
August 20 · 7min find the promo
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Dexter ends up in the "old part of the lab" where his earliest inventions, long since forgotten, are not too happy to see him. They are mad at him for saying they were his greatest inventions, then moved on to another great invention.
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S02E18 Labels
August 27 · 7min find the promo
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Dexter and Dee Dee label everything in the house. When their parents get home, they mistake Dexter for Dee Dee (he had a Dee Dee label on his forehead), but he already blamed Dee Dee for the chaos.
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S02E19 Game Show
August 27 · 7min find the promo
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Dexter and Dee Dee compete against each other on a game show. Where Dexter can't seem to win.
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S02E20 Fantastic Boyage
August 27 · 7min find the promo
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Dexter tries to inject himself into Dee Dee to find a cure to the common cold, but ends up inside his dog. He believes Dee Dee has been infected with a dog virus. He is then mistaken for the first human virus to infect a dog by the vet.
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S02E21 Filet of Soul
September 3 · 11min find the promo
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When Dee Dee refuses to flush their gold fish down the toilet, the ghost of the fish haunts them.
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S02E22 Golden Diskette
September 3 · 11min find the promo
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Dee Dee and Dexter win a free pass to Professor Hawk's magic factory after finding the golden diskette.
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S02E23 Snowdown
September 10 · 7min find the promo
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Dad encourages Dexter to become the king of snow, as he was in his early days, until someone beated him.
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S02E24 *Figure Not Included
September 10 · 7min find the promo
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In an attempt to be popular with his ""friends"", Dexter makes his own Mayor Glory Action Figure.
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S02E25 Mock 5
September 10 · 7min find the promo
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In a whole parody of ""Speed Racer"", Dexter and Mandark compete on a race.
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S02E26 Ewww That's Growth
September 17 · 7min find the promo
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Dexter can't get into a roller coaster because he's too small so he makes himself taller.
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S02E27 Nuclear Confusion
September 17 · 7min find the promo
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Dee Dee steals the nuclear atom that Dexter needs to make his invention work, but she doesn't know that it will explode if Dexter doesn't find it on time.
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S02E28 Germ Warfare
September 17 · 7min find the promo
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Everybody except Dexter gets sick, so he makes himself a plastic bubble to get germ protection.
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S02E29 A Hard Day's Day
September 24 · 7min find the promo
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It's not a great day for science when Dexter has bad luck due to the position of the stars.
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S02E30 Road Rash
September 24 · 7min find the promo
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Mom makes Dexter go outside and ride a bike, thing that turns into a Dexter-Dee Dee chase.
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S02E31 Ocean Commotion
September 24 · 7min find the promo
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While at the beach, Dee Dee (who's wearing a mermaid swimsuit) gets captured by a maniac sailor so Dexter must rescue her.
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S02E32 The Bus Boy
October 1 · 7min find the promo
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Dexter must go to the back of the school bus to retrieve his pencil, where another kid got lost years ago.
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S02E33 The Justice Friends: Things that go Bonk in the Night
October 1 · 7min find the promo
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Krunk stays awake all night watching The Puppet Pals Show Marathon, so his brain starts playing him tricks.
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S02E34 Ol' McDexter
October 1 · 7min find the promo
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Dexter is sent to summer camp, in a place far away from civilization.
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S02E35 Sassy Come Home
October 8 · 11min find the promo
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While the family is at the woods, Dexter goes searching for the Mighty Bigfoot, if Dee Dee doesn't find him first.
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S02E36 Photo Finish
October 8 · 11min find the promo
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Dee Dee photographs Dexter's secret lab.
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S02E37 Star Check Unconventional
October 15 · 7min find the promo
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Dexter and two friends go to the Star Check Convention, but certain confusion might send them to a different one.
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S02E38 Dexter is Dirty
October 15 · 7min find the promo
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To avoid the bath, Dexter decides to laminate himself.
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S02E39 Ice Cream Scream
October 15 · 7min find the promo
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Dexter will do anything to make the ice cream vendor stop to get some ice cream.
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S02E40 Decode of Honor
October 22 · 7min find the promo
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Dexter and Dee Dee get their Action Hank and Pony Puff Secret Codes mixed up.
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S02E41 World's Greatest Mom
October 22 · 7min find the promo
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Dexter newest creation gives Mom super powers.
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S02E42 Ultrajerk 2000
October 22 · 7min find the promo
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Dexter's robot takes over his lab.
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S02E43 Techno Turtle
October 29 · 7min find the promo
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Dexter heals a turtle by giving him loads of modern, techno stuff.
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S02E44 Surprise!
October 29 · 7min find the promo
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Dexter makes himself invisible to make sure Mom and Dad give him what he wants for his birthday, the Ultimate Mayor Glory Action Figure.
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S02E45 Got Your Goat
October 29 · 7min find the promo
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Dexter and Dee Dee go to South America in order to find the chupacabras, an animal that Dexter created.
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S02E46 Dee Dee Be Deep
November 5 · 7min find the promo
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Dee Dee, who's not exactly good at singing, gets Dexter's help on getting a better voice, but not the voice Dexter was expecting.
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S02E47 911
November 5 · 7min find the promo
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When Dexter's favorite show gets interrupted by an emergency, he searches all town trying to find it and solve so regular broadcast returns.
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S02E48 Down in the Dumps
November 5 · 7min find the promo
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Dexter and Dee Dee go to the dumps to retrieve Dee Dee's lost teddy bear.
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S02E49 Unfortunate Cookie
November 12 · 11min find the promo
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Dexter and Dee Dee get trapped with a Finger trap.
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S02E50 The Muffin King
November 12 · 11min find the promo
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Dexter and Dee Dee must stop Dad from eating Mom's muffins.
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S02E51 Picture Day
November 19 · 7min find the promo
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Dexter finds out he's ugly, so he transforms his face to look better for the school photo.
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S02E52 Now That's a Stretch
November 19 · 7min find the promo
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Dexter combines himself with bubble gum to become more stretchable.
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S02E53 Dexter Detention
November 19 · 7min find the promo
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Dexter is send to detention after a confusion during a test.
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S02E54 Don't Be a Baby
November 26 · 7min find the promo
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Dexter and Dee Dee want to become older, but instead they make everyone else a baby.
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S02E55 Dial M For Monkey: Peltra
November 26 · 7min find the promo
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A new female villian named Peltra wants Monkey's Coat.
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S02E56 G.I.R.L. Squad
November 26 · 7min find the promo
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Dee Dee, LeeLee and MeeMee become crimefighters, but of course they will not actually fight crime.
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S02E57 Sports a Poppin'
December 3 · 7min find the promo
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Dad wants to show Dexter the joy of sports.
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S02E58 Koos a la Goop a Goop
December 3 · 7min find the promo
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Koosy tells Dee Dee that he is the king of the land of Koos, but when Dee Dee goes there...
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S02E59 Project Dee Dee
December 3 · 7min find the promo
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Dee-Dee refuses any kind of help from Dexter on her science project, when Dee-Dee shows Dexter her show-and-tell product, he criticises it heavily and offers his own..contributions
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S02E60 Topped Off
January 14 · 7min find the promo
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Surprised of the results coffee causes on Mom and Dad, Dexter and Dee Dee decide to try it themselves.
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S02E61 Dee Dee's Tail
January 14 · 7min find the promo
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Dexter uses his science to turn Dee Dee into a horse.
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S02E62 No Power Trip
January 14 · 7min find the promo
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Dexter overloads the energy of the laboratory, so he makes numerous tries to reload it.
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S02E63 Sister Mom
January 21 · 11min find the promo
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After Dexter did something really bad at school, he gets her mother called, so to not ruin his reputation, he turns Dee Dee into Mom.
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S02E64 The Laughing
January 21 · 11min find the promo
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After Dexter gets bitten by a clown, he turns into one every night.
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S02E65 Dexter's Lab: A Story
January 28 · 7min find the promo
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On his way home, Dexter gets followed by a labrador, when he teaches him to speak, the dog becomes even more annoying.
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S02E66 Coupon for Craziness
January 28 · 7min find the promo
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A confusion at the supermarket makes Dexter go home with a different, yet extremely scientific, family; but who is home with his real family?
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S02E67 Better Off Wet
January 28 · 7min find the promo
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Dexter is afraid of taking a dive at the pool because Dad always pushes him.
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S02E68 Critical Gas
February 4 · 7min find the promo
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After Dexter eats a giant burrito he believes he's going to die, so he makes a list of everything he must do before that time comes. (Including, make Mom and Dad happy, do dishes, free Robots, make World Peace, end World's hunger, learn to dance, make Dee Dee happy, shut down the Main System... and tell Mom and Dad about the secret laboratory).
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S02E69 Let's Save the World You Jerk!
February 4 · 7min find the promo
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Dexter and Mandark must team up in order to save the Earth from a meteor rain.
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S02E70 Average Joe
February 4 · 7min find the promo
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After an I.Q. test defines Dexter as ""average"", he decides to live an average life hanging out with an average boy of last name Smith.
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S02E71 Rushmore Rumble
February 11 · 7min find the promo
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Dexter and Mandark mechanize the giant figures of Lincoln and Washington from the Mount Rushmore statues and wreak havoc with them.
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S02E72 A Boy and His Bug
February 11 · 7min find the promo
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Dexter creates a small bug that eats all the scrap metal caused by Dee Dee's destruction.
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S02E73 You Vegetabelieve It!
February 11 · 7min find the promo
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Dexter's untested formula causes all plants in the garden to become dangerous.
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S02E74 Aye Aye Eyes
February 18 · 11min find the promo
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After Dexter returns a bunny to a little girl with big round eyes, she starts following Dexter everywhere.
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S02E75 Dee Dee and the Man
February 18 · 11min find the promo
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After Dexter ""fires"" Dee Dee, he realizes that his lab needs chaos.
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S02E76 Old Flame
February 25 · 7min find the promo
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Dexter travels to the past to meet the caveman that discovered fire.
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S02E77 Don't Be a Hero
February 25 · 7min find the promo
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Dexter attempts to make numerous accidents to get super powers.
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S02E78 My Favorite Martian
February 25 · 7min find the promo
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Dexter goes to Mars to find alien life forms.
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S02E79 Paper Route Bout
March 4 · 7min find the promo
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Dee Dee and the Ninja Clan battle for who delivers the newspapers in the neighborhood.
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S02E80 The Old Switcharooms
March 4 · 7min find the promo
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After Dexter and Dee Dee destroy Dad's bowling trophy, they are sent to each other's room.
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S02E81 Trick or Treehouse
March 4 · 7min find the promo
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Dee Dee builds a treehouse in the garden and Dexter can't stop wondering what's up there.
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S02E82 Quiet Riot
March 11 · 7min find the promo
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Dexter worked all night on his inventions so all he wants is some sleep, but Dee Dee will make sure that that doesn't happen.
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S02E83 Accent You Hate
March 11 · 7min find the promo
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Dexter and his friends Lucky and Pierre(¿?) are victims of a bully that hates kids with funny accents.
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S02E84 Catch of the Day
March 11 · 7min find the promo
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Numerous factors like getting up early, being the first ones there, fishing clothes and other accesories, will not allow Dexter and his Dad to go on a fishing trip.
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S02E85 Dad is Disturbed
March 18 · 7min find the promo
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Constant interruptions by Dexter, Dee Dee and Mom will not let Dad watch his golf game.
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S02E86 Framed
March 18 · 7min find the promo
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After Dexter breaks his glasses, he starts a new fashion at school.
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S02E87 That's Using Your Head
March 18 · 7min find the promo
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Dexter meets a bum at an appliance store with a strange device on his head.
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S02E88 DiM
March 25 · 7min find the promo
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Dexter goes to the appliance store to buy a lightbulb for his lab.
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S02E89 Just an Old Fashioned Lab Song...
March 25 · 7min find the promo
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Dexter takes piano classes from a man that looks a lot like Paul Williams.
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S02E90 Repairanoid
March 25 · 7min find the promo
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When an electricist comes to repair the house, Dexter discovers that if he repairs the lab it will function perfectly.
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S02E91 Sdrawkcab
April 1 · 7min find the promo
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Dexter creates a belt that can have its wearer do everything backwards, only to get in trouble when Dee Dee manages to get control of the time directional switch.
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S02E92 The Continuum of Cartoon Fools
April 1 · 7min find the promo
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Dee Dee keeps getting into Dexter's lab even though Dexter keeps throwing her out.
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S02E93 Sun, Surf, and Science
April 1 · 7min find the promo
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Mandark tries to impress Dee Dee by getting into a surfing contest.
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S02E94 Big Bots
April 8 · 7min find the promo
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Dexter makes Dee Dee a robot for herself, at the same time a volcano is going to burst on an island in the middle of the ocean.
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S02E95 Gooey Aliens that Control Your Mind
April 8 · 7min find the promo
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Dexter must save his family after they get possesed by aliens.
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S02E96 Misplaced in Space
April 8 · 7min find the promo
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Dee Dee must save Dexter who is a slave in a distant galaxy.
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S02E97 Dee Dee's Rival
April 15 · 7min find the promo
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Dee Dee and Lalavava (Mandark's sister), compete on a ballet contest.
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S02E98 Pslyghtly Psycho
April 15 · 7min find the promo
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It's Mother's Day and Mom can't take that Dad, Dee Dee and Dexter do all the housework.
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S02E99 Game for a Game
April 15 · 7min find the promo
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Dexter and Dee Dee compete in various games chosen by Dexter.
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S02E100 Blackfoot and Slim
April 22 · 7min find the promo
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A documentary shows the secret lives of Dexter and Dee Dee, also known as Blackfoot and Slim.
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S02E101 Trapped with a Vengeance
April 22 · 7min find the promo
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Dexter stays at school too much, forcing the janitor to stay as well, so he waits for a day in which Dexter has to leave early for an emergency, as he plans his revenge...
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S02E102 The Parrot Trap
April 22 · 7min find the promo
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Dexter must stop his mechanical parrot before his imitations reveal the secret of his lab.
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S02E103 Dexter and Computress Get Mandark!
April 29 · 7min find the promo
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Dexter and Computress team up in order to shrink Mandark's head.
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S02E104 The Justice Friends: Pain in the Mouth
April 29 · 7min find the promo
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Krunk gets a nacho stuck in his tooth and Mayor Glory wants to take it out himself while Valhallens insists on taking Krunk to the dentist.
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S02E105 Dexter Vs. Santa's Claws
April 29 · 7min find the promo
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Dexter must prove to Dee Dee that Santa Claus doesn't exist.
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S02E106 Dyno-Might
May 6 · 11min find the promo
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When Blue Falcon appears with a destroyed Dynomutt, Dexter decides to build a new one.
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S02E107 LABretto
May 6 · 11min find the promo
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The story of how Dexter was born and how he built his lab, in the style of a musical.
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S02E108 Last But Not Beast
June 15 · 24min find the promo
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Dexter must save Japan from being destroyed by a monster, but his robot must be controlled by four people to function correctly, so Dexter must tell Dee Dee... and his parents.